Daewoo Doosan Solar 340LC-V Excavator Operator and Maintenance manual

022-00025E Operation and Maintenance Manual Copyright Daewoo 2001
Daewoo reserves the right to improve our products in a continuing process to provide the best possible
product to the market place. These improvements can be implemented at any time with no obligation to
change materials on previously sold products. It is recommended that consumers periodically contact their
distributors for recent documentation on purchased equipment.
This documentation may include attachments and optional equipment that is not available in your
machine’s package. Please call your distributor for additional items that you may require.
Illustrations used throughout this manual are used only as a representation of the actual piece of
equipment, and may vary from the actual item.
Operation and Maintenance Manual
022-00025E
Serial Number 1001 and Up
September 2001
Solar 340LC-V

022-00025E Operation and Maintenance Manual Table of Contents I
TABLE OF CONTENTS
Safety......................................................................................... 1-1
To the Operator of a Daewoo Excavator.............................................1-1
Location of Safety Labels...................................................................1-4
Summary of Safety Precautions for Lifting in Digging Mode ............1-12
Unauthorized Modifications..............................................................1-13
General Hazard Information.............................................................1-13
Before Starting Engine .....................................................................1-21
Machine Operation...........................................................................1-24
Maintenance.....................................................................................1-29
Battery..............................................................................................1-37
Towing ..............................................................................................1-39
Shipping and Transportation.............................................................1-40
Excavator Rated Lift Capacity Tables...............................................1-41
Operating Controls ................................................................... 2-1
Component Locations ........................................................................2-2
Operator’s Area ..................................................................................2-4
Operational Controls and Panels........................................................2-5
Instrument Panel ..............................................................................2-14
Multifunction Gauge and Graphic Information..................................2-19
Mode Selection Buttons ...................................................................2-23
Setting Method for Main Menu .........................................................2-26
Heater and Air Conditioner Control Panel ........................................2-30
Stereo...............................................................................................2-35
Fuse Boxes.......................................................................................2-42
Miscellaneous Electrical Devices .....................................................2-43
Seat Adjustment...............................................................................2-45
Seat Belt...........................................................................................2-47
Ceiling Cover....................................................................................2-48
Front Windows..................................................................................2-49

II Table of Contents 022-00025E Operation and Maintenance Manual
Door Side Latch................................................................................2-52
Miscellaneous Access Covers and Doors ........................................2-53
Cab Storage Compartments ............................................................2-54
Ashtray .............................................................................................2-54
Emergency Glass Breaking Tool ......................................................2-55
Operation................................................................................... 3-1
To Handle a New Excavator ...............................................................3-1
Starting and Stopping the Engine ......................................................3-2
Safety Lever .....................................................................................3-14
Travel ................................................................................................3-15
Operating Instructions ......................................................................3-20
Operating Precautions......................................................................3-25
Parking Excavator ............................................................................3-30
Towing Procedure.............................................................................3-31
Hydraulic Breaker.............................................................................3-32
Operating Techniques ......................................................................3-36
Operation Under Unusual Conditions...............................................3-38
Inspection, Maintenance and Adjustment.............................. 4-1
Preliminary Work Machine Setup for Maintenance ............................4-3
Table of Recommended Lubricants....................................................4-5
Fluid Capacities..................................................................................4-7
Lubrication and Service Chart............................................................4-7
Maintenance Intervals ......................................................................4-10
10 Hour / Daily Service ....................................................................4-12
50 Hour / Weekly Service.................................................................4-22
250 Hour / Monthly Service..............................................................4-26
500 Hour / 3 Month Service .............................................................4-31
1000 Hour / 6 Month Service ...........................................................4-39
2000 Hour / Yearly Service...............................................................4-45
4000 Hour / Biennial Service............................................................4-48
Venting and Priming Hydraulic System ............................................4-49

022-00025E Operation and Maintenance Manual Table of Contents III
Handling of Accumulator ..................................................................4-51
Fuel Transfer Pump (Option) ............................................................4-52
Electrical System..............................................................................4-54
Air Conditioning System...................................................................4-58
Bucket ..............................................................................................4-59
Bucket Shimming Procedures ..........................................................4-62
Track Tension....................................................................................4-63
Bolt and Nut Inspection ....................................................................4-65
Maintenance in Special Conditions ..................................................4-66
Long Term Storage...........................................................................4-67
Transportation........................................................................... 5-1
Loading and Unloading ......................................................................5-1
Lifting With Sling.................................................................................5-4
Troubleshooting........................................................................ 6-1
Engine ................................................................................................6-1
Hydraulic System ...............................................................................6-2
Swing System.....................................................................................6-3
Travel System .....................................................................................6-4
Electrical System................................................................................6-4
Specification ............................................................................. 7-1
Standard Specification .......................................................................7-1
Overall Dimensions ............................................................................7-2
Working Range...................................................................................7-3
Approximate Weight of Workload Materials .......................................7-4
Index .......................................................................................... 8-1

022-00025E Operation and Maintenance Manual Safety 1-1
1SAFETY
TO THE OPERATOR OF A DAEWOO EXCAVATOR
Please respect the importance of taking responsibility for your own safety, and that of other people who
may be affected by your actions.
The safety information on the following pages is organized into the following sections:
1. “Location of Safety Labels” on page 1-4
2. “Summary of Safety Precautions for Lifting in Digging Mode” on page 1-12
3. “General Hazard Information” on page 1-13
4. “Before Starting Engine” on page 1-21
5. “Machine Operation” on page 1-24
6. “Maintenance” on page 1-29
7. “Battery” on page 1-37
8. “Towing” on page 1-39
9. “Shipping and Transportation” on page 1-40
10. “Excavator Rated Lift Capacity Tables” on page 1-41
DANGER!
Unsafe use of the excavator could lead to serious injury or death. Operating procedures,
maintenance and equipment practices or traveling or shipping methods that do not follow the
safety guidelines on the following pages could cause serious, potentially fatal injuries or
extensive damage to the machine or nearby property.

1-2 Safety 022-00025E Operation and Maintenance Manual
WARNING!
Improper operation and maintenance of this machine can be hazardous and could result in
serious injury or death.
Operator and maintenance personnel should read this manual thoroughly before beginning
operation or maintenance.
Keep this manual in the storage compartment to the rear of the operator’s seat, and have all
personnel involved in working on the machine read the manual periodically.
Some actions involved in operation and maintenance of the machine can cause a serious
accident, if they are not done in a manner described in this manual.
The procedures and precautions given in this manual apply only to intended uses of the
machine.
If you use your machine for any unintended uses that are not specifically prohibited, you must
be sure that it is safe for any others. In no event should you or others engage in prohibited uses
or actions as described in this manual.
Daewoo delivers machines that comply with all applicable regulations and standards of the
country to which it has been shipped. If this machine has been purchased in another country or
purchased from someone in another country, it may lack certain safety devices and
specifications that are necessary for use in your country. If there is any question about whether
your product complies with the applicable standards and regulations of your country, consult
Daewoo or your Daewoo distributor before operating the machine.

LEARN THE SIGNAL WORDS USED WITH THE SAFETY ALERT SYMBOL
The words "CAUTION," "WARNING," and "DANGER" used throughout this manual and on decals on the
machine indicate degree of risk of hazards or unsafe practices. All three degrees of risk indicate that safety
is involved. Observe precautions indicated whenever you see the Safety Alert "Triangle," no matter which
signal word appears next to the "Exclamation Point" symbol.
Safety precautions are described in SAFETY from page 1-4 on.
Daewoo cannot predict every circumstance that might involve a potential hazard in operation and
maintenance. Therefore the safety messages in this manual and on the machine may not include all
possible safety precautions. If any procedures or actions not specifically recommended or allowed in this
manual are used, you must be sure that you and others can do such procedures and actions safely and
without damaging the machine. If you are unsure about the safety of some procedures, contact a
DAEWOO distributor.
SAFETY ALERT SYMBOL
Be Prepared - Get To Know All Operating and Safety Instructions.
This is the Safety Alert Symbol. Wherever it appears in this manual or on safety signs on the
machine you should be alert to the potential for personal injury or accidents. Always observe
safety precautions and follow recommended procedures.
CAUTION!
This word is used on safety messages and safety labels and indicates potential of a hazardous
situation that, if not avoided, could result in minor or moderate injury. It may also be used to alert
against a generally unsafe practice.
WARNING!
This word is used on safety messages and safety labels and indicates potential of a hazardous
situation that, if not avoided, could result in serious injury or death. It may also be used to alert
against a highly unsafe practice.
DANGER!
This word is used on safety messages and safety labels and indicates an imminent hazard of a
situation that, if not avoided, is very likely to cause death or extremely serious injury. It may also
be used to alert against equipment that may explode or detonate if handled or treated carelessly.

LOCATION OF SAFETY LABELS
There are several specific warning signs on this machine. The exact location of hazards and the
description of the hazards are reviewed in this section.
Please become familiarized with all warning signs.
Make sure that all of the warning signs are legible. Clean the warning signs or replace the warning signs if
you cannot read the words. Replace the illustrations if the illustrations are not visible. When you clean the
warning signs, use a cloth, water and soap. Do not use solvent, gasoline, or other harsh chemicals to clean
the safety signs. Solvents, gasoline, or other harsh chemicals could loosen the adhesive that secures the
warning sign. Loose adhesive will allow the warning sign to fall off.
Replace any safety sign that is damaged, or missing. If a safety sign is attached to a part that is replaced,
install a safety sign on the replacement part.
AUO0210L
12
5
3 6 5 1 2
15
8
13
14
11
9
4 7
10
16
Figure 1

1. WARNINGS FOR OPERATION, INSPECTION AND MAINTENANCE (190-00688, 190-00092).
2. WARNINGS FOR HIGH VOLTAGE (190-00689, 190-00096)
3. WARNINGS WHEN OPENING A FRONT WINDOW (190-00690, 190-00093).
AVOID DEATH OR SERIOUS INJURY. - READ AND UNDERSTAND
OPERATION MANUAL AND SAFETY LABELS prior to operating
this machine.
190-00688
190-00092
Never get in under the machine while it is being jacked up
with boom and arm.
Sound the horn to alert the people nearby before operating,
and make sure that all persons are clear of area.
Controls may be changed for attachments or operator
preference. Try control pattern before operating.
ARO1080L
ARO1090L
DANGER
SERIOUS INJURY OR DEATH BY
ELECTROCTION can occur if
machine or attachments are
not a safe distance from electrical
power lines.
Line voltage Safe Distance
6.6 kv
66.6 kv
275.0 kv
At least 3m(10ft)
At least 5m(16ft)
At least 10m(33ft)
190-00689
190-00096
ARO1100L
Falling window can cause
injury.
When raising window,
lock it in place with lock
pin on left side.
190-00690
190-00093

4. WARNINGS FOR A HIGH PRESSURE
CYLINDER (190-00122).
5. WARNINGS WHEN ADJUSTING TRACK TENSION (2190-3386A, 190-00521).
190-00122
ARO1110L
190-00521
The track adjuster adjustment and handling
The spring in the track adjuster is loaded with great force
and the pressure in the cylinder is very high. For this
reason there is a possibility of an accident which
may involve injury to personnel. It is very dangerous
to make mistakes when performing such an adjustment
or disassembly.
Be sure to read the procedures described in the Operation
and Maintenance Manual carefully before adjusting the
track tension.
2190-3386A
ARO1120L

6. WARNINGS FOR LEAVING OPERATOR’S SEAT (190-00693, 190-00094).
7. WARNINGS FOR BATTERIES MAINTENANCE (2190-2533A, 190-00100).
ARO1140L
190-00094
Sudden and unwanted machine
movement can cause serious
injury or death.
Always make sure when leaving
operator's seat to :
Lower equipment to the ground.
Move safety lever to LOCK position.
Turn key switch OFF. Remove key
from switch.
190-00693
ARO1150L
190-00100
Battery fumes can explode. Keep sparks and flames away
from batteries.
Always avoid storing metals like tools or flammable
materials around or on the batteries. Explosion or fire
can be caused by shortcircuiting batteries.
Surfuric acid in battery is poisonous. It is strong enough
burn skin, eat holes in clothing, and cause blindness
if splashed eyes.
If you spill acid on yourself;
1. Flush your skin with water.
2. Apply baking soda or lime to help neutralize the acid.
3. Flush your eyes with water for 10-15 minutes.
Get medical attention immediately.
2190-2533A

8. WARNINGS FOR HIGH TEMPERATURE HYDRAULIC OIL (190-00691, 190-00097)
9. WARNINGS FOR HOT COOLANT (190-00692, 190-00097)
10. WARNINGS FOR HANDLING AN ACCUMULATOR (190-00703, 190-00099).
ARO1160L
HOT OIL CAN CAUSE INJURY OR
BLINDNESS.
To prevent hot oil from spurting out:
Turn engine off
Allow oil to cool
Slowly loosen cap to relieve
pressure
190-00691
190-00097
ARO1170L
190-00097
HOT COOLANT CAN CAUSE INJURY
OR BLINDNESS.
Never loosen or open radiator cap
when coolant is hot and under
pressure.
To open cap, stop engine, wait until
radiator is cool. Then loosen cap
slowly to relieve the pressure.
190-00692
EXPLOSIONHAZARD
Keep away from flame.
Do not weld on, or drill
into the accumulator.
190-00703
190-00099
ARO1180L

11. WARNINGS FOR ROTATING PARTS (190-00694, 190-00095, 190-00557).
12. WARNING TAG - USED WHEN INSPECTION AND MAINTENANCE (190-00695, 190-00098).
ARO1190L
Rotating parts can cause
personal injury.
Keep away from fan and
belt when engine is run-
ning. Stop engine before
servicing.
190-00694
190-00095
190-00557
190-00098
ARO1200L
WARNING
DO NOT OPERATE
when performing inspection
or maintenance
190-00695

13. WARNING FOR A HOT SURFACE
(190-00648).
14. CAUTION FOR HOOD (190-00522).
15. KEEP OUT OF THE SWING AREA (2190-3379, 190-00090).
190-00648
ARO1210L
190-00522
ARO1220L
ARO1240L
2190-3379
190-00090

16. WARNINGS FOR FRONT
ATTACHMENTS (190-00652).
ARO1230L
190-00652

SUMMARY OF SAFETY PRECAUTIONS FOR LIFTING
IN DIGGING MODE
To lift safely while in Digging Mode, the following items must be evaluated by the operator and the work site
crew.
• Condition of ground support.
• Excavator configuration and attachments.
• Weight, lifting height and lifting radius.
• Safe rigging of the load.
• Proper handling of the suspended load.
Taglines on opposite sides of the load can be very helpful in keeping a suspended load secure, if they are
anchored safely to control points on the ground.
Always engage the "Digging Mode" control on the Instrument Panel before using the excavator for lifting
work.
DANGER!
Unsafe use of the excavator while making rated lifts could cause serious, potentially fatal
injuries or extensive damage to the machine or nearby property. Do not let anyone operate the
machine unless they’ve been properly trained and understand the information in the Operation
and Maintenance Manual.
WARNING!
NEVER wrap a tagline around your hands or body.
NEVER rely on taglines or make rated lifts when wind gusts are more than 48.3 km/hr (30 mi/h).
Be prepared for any type of wind gust when working with loads that have a large surface area.
WARNING!
If you need more information or have any questions or concerns about safe operating
procedures or working the excavator correctly in a particular application or in the specific
conditions of your individual operating environment, please consult your local Daewoo
representative.

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UNAUTHORIZED MODIFICATIONS
Any modification made without authorization or written approval from Daewoo can create a safety hazard,
for which the machine owner must be held responsible.
For safety’s sake, replace all OEM parts with the correct authorized or genuine Daewoo part. For example,
not taking the time to replace fasteners, bolts or nuts with the correct replacement parts could lead to a
condition in which the safety of critical assemblies is dangerously compromised.
GENERAL HAZARD INFORMATION
SAFETY RULES
Only trained and authorized personnel can operate and maintain the machine.
Follow all safety rules, precautions and instructions when operating or performing maintenance on the
machine.
Do not operate the machine if you are not feeling well, if you are taking medication that makes you feel
sleepy, if you have been drinking, or if you are suffering from emotional problems. These problems will
interfere with your sense of judgement in emergencies and may cause accidents.
When working with another operator or with a person on work site traffic duty, be sure that all personnel
know the nature of the work and understand all hand signals that are to be used.
Always observe strictly any other rules related to safety.
SAFETY FEATURES
Be sure that all guards and covers are installed in their proper position. Have guards and covers repaired
immediately if damaged.
Be sure that you understand the method of use of safety features such as safety lock lever and the seat
belt, and use them properly.
Never remove any safety features. Always keep them in good operating condition.
Failure to use safety features according to the instructions in the Operation and Maintenance Manual could
result in serious bodily injury.

INSIDE OPERATOR'S COMPARTMENT
When entering the operator's compartment, always remove all mud and oil from the soles of your shoes. If
you operate the travel pedal with mud or oil stuck to your shoes, your foot may slip and this may cause a
serious accident.
After using the ashtray, make sure that any matches or cigarettes are properly extinguished, and be sure to
close the ashtray. If the ashtray is left open, there is danger of fire.
Do not stick suction pads to the window glass. Suction pads act as a lens and may cause fire.
Do not leave lighters laying around the operator's compartment. If the temperature inside the operator's
compartment becomes high, there is danger that the lighter may explode.
Do not use cellular telephones inside the operator's compartment when driving or operating the machine.
There is danger that this may lead to an unexpected accident.
Never bring any dangerous objects such as flammable or explosive items into the operator's cab.
To ensure safety, do not use the radio or music headphones when operating the machine. There is danger
that this may lead to a serious accident.
When operating the machine, do not put your hands or head out of the window.
When standing up from the operator's seat, always place safety lock lever securely in the "LOCK" position.
If you accidentally touch the work equipment levers when they are not locked, the machine may suddenly
move and cause serous injury or damage.
When leaving the machine, lower the work equipment completely to the ground, set safety lock lever to the
"LOCK" position and shut down engine. Use the key to lock all the equipment. Always remove the key and
take it with you.
CLOTHING AND PERSONAL PROTECTIVE
ITEMS
Contain long hair, and avoid loose clothing and
jewelry. They can catch on controls or in
protruding parts and cause serious injury or
death.
Do not wear oily clothes. They are highly
flammable.
Full eye protection, a hard hat, safety shoes and
gloves may be required at the work site.
While working on the machine, never use
inadequate tools. They could break or slip,
causing injury, or they may not adequately
perform intended functions.
Do not forget that some risks to your health may
not be immediately apparent. Exhaust gases
and noise pollution may not be visible, but these
hazards can cause disabling or permanent
injuries.
HAOA020L
Figure 2

MOUNTING AND DISMOUNTING
Before getting on or off the machine, if there is any oil. grease, or mud on the handrails, steps, or track
shoes, wipe it off immediately. Always keep these parts clean. Repair any damage and tighten any loose
bolts.
Never jump on or off the machine. In particular, never get on or off a moving machine. These actions may
lead to serious injury.
When getting on or off the machine, always face the machine, and maintain three-point contact (both feet
and one hand or one foot and both hands) with the handrails, steps, and track shoes to ensure that you
support yourself securely.
Never hold any control levers when getting on or off the machine.
Apply the door lock securely. If you grip the handrail inside the door when moving on top of the track shoes,
and the door lock is not applied securely, the door may move and cause you to fall.
Use the points marked by arrows in the diagram when getting on or off the machine.
Figure 3

Daewoo Doosan Solar 340LC-V Excavator Operator and Maintenance manual

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